Here are pictures of the setup...

The red dots indicate holes drilled for air to escape, I tested it and the air is dispersed evenly across the whole reservoir.

What do you guys think?

I plan on having a reservoir of fresh water above the whole system somwhere, there will be a float valve installed in the top reservoir, and fresh water will flow into the container whenever it the water levels begin to drop. This should prevent me from having to top off the reservoir constantly...